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52353444 = 223111330509
BaseRepresentation
bin1100011110110…
…1100110100100
310122111211102110
43013231212210
5101400302234
65110041020
71203665643
oct307554644
9118454373
1052353444
1127608a10
1215649170
13ab00690
146d4b35a
1548e21e9
hex31ed9a4

52353444 has 48 divisors (see below), whose sum is σ = 143519040. Its totient is φ = 14643840.

The previous prime is 52353443. The next prime is 52353461. The reversal of 52353444 is 44435325.

It is a super-2 number, since 2×523534442 = 5481766197322272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52353443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13539 + ... + 16970.

It is an arithmetic number, because the mean of its divisors is an integer number (2989980).

Almost surely, 252353444 is an apocalyptic number.

It is an amenable number.

52353444 is an abundant number, since it is smaller than the sum of its proper divisors (91165596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52353444 is a wasteful number, since it uses less digits than its factorization.

52353444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30540 (or 30538 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 52353444 is about 7235.5679804698. The cubic root of 52353444 is about 374.0948695056.

Adding to 52353444 its reverse (44435325), we get a palindrome (96788769).

The spelling of 52353444 in words is "fifty-two million, three hundred fifty-three thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 132 143 156 286 429 572 858 1716 30509 61018 91527 122036 183054 335599 366108 396617 671198 793234 1006797 1189851 1342396 1586468 2013594 2379702 4027188 4362787 4759404 8725574 13088361 17451148 26176722 52353444